Is there a technique called the chain rule in sudoku?

Advanced methods and approaches for solving Sudoku puzzles

Is there a technique called the chain rule in sudoku?

Postby Chessmaster » Sat Nov 10, 2007 1:48 am

or am i just thinking of somthing that is totatly not sudoku related.
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Postby Mauricio » Sat Nov 10, 2007 3:13 am

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Postby Chessmaster » Sat Nov 10, 2007 5:32 am

Well I knew of that chain rule but i thought there was also one for sudoku.
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Postby MARK DEVILBISS » Tue Dec 04, 2007 1:11 am

YES
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